Nexperia USA Inc. 74LV14APWJ

Overview

74LV14APWJ from Nexperia is a hex inverting Schmitt trigger IC designed for signal conditioning in mixed-voltage digital systems. It provides six independent channels with hysteresis (0.5 V at 5 V), operates from 2.0 V to 5.5 V, delivers <10 ns propagation delay at 5 V, and supports partial power-down via IOFF circuitry - enabling use in battery-backed or hot-swap interfaces.

For engineers reviewing the 74LV14APWJ datasheet, 74LV14APWJ pinout, 74LV14APWJ application, or 74LV14APWJ equivalent, this device is selected for noise-immune waveform shaping, level translation between 3.3 V and 5 V domains, and reliable clock/data edge regeneration in industrial control and sensor interface circuits.

Technical Context

The 74LV14APWJ implements six independent Schmitt-trigger inverters with asymmetric input thresholds: VT+ = 3.5 V and VT− = 1.5 V at VCC = 5.0 V, yielding 2.0 V hysteresis. Its IOFF functionality disables outputs when VCC = 0 V, preventing backflow current during partial system power-down.

It features overvoltage-tolerant inputs (up to 7.0 V), supports mixed-mode operation across all ports, and maintains guaranteed logic levels (VOH > 3.8 V, VOL < 0.55 V at IO = ±12 mA, VCC = 4.5 V) across −40 °C to +125 °C.

Key Specifications

Pinout & Package

TSSOP14 (SOT402-1) package: plastic thin shrink small outline, 14-pin, 4.4 mm body width, 0.65 mm lead pitch, surface-mount compatible with standard reflow profiles.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar hex inverting Schmitt trigger applications.

Compared with SN74LV14APWR and 74LVC14AD, the 74LV14APWJ uniquely combines 5 V tolerance, IOFF-enabled partial power-down, and −40 °C to +125 °C qualification - making it the sole choice for mixed-voltage industrial modules requiring hot-swap resilience and legacy interface support.

Availability

74LV14APWJ is available at Aetrix Electronics and suitable for industrial sensor interfaces, motor control feedback conditioning, and legacy system voltage translation requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74LV14APWJ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert focused on high-volume, high-reliability logic, analog, and MOSFET solutions - delivering energy-efficient, robust components for automotive, industrial, and consumer markets.

The 74LV14A series belongs to Nexperia's LV logic family, engineered specifically for low-voltage, high-noise-margin signal conditioning in harsh industrial and automotive-adjacent environments.

FAQ

Does 74LV14APWJ support true 5 V logic operation?

Yes - it operates across 2.0 V to 5.5 V supply range and guarantees VOH > 3.8 V and VOL < 0.55 V at VCC = 4.5 V with 12 mA load, meeting standard 5 V TTL/CMOS output thresholds. Its inputs tolerate up to 7.0 V regardless of VCC, enabling direct 5 V signal acceptance even when powered from 3.3 V.

How does the IOFF feature behave during power-down?

When VCC = 0 V, the IOFF circuitry forces all six outputs into high-impedance state with leakage ≤5 μA - blocking reverse current flow from powered downstream logic into the unpowered IC. This prevents bus contention and protects both the 74LV14APWJ and connected devices during partial system shutdown.

Can 74LV14APWJ replace standard 74HC14 in existing designs?

Yes, with qualification - it shares identical pinout and logic function but offers wider VCC range (2.0–5.5 V vs. 2.0–6.0 V), tighter hysteresis control, and IOFF. However, its lower maximum tpd (10 ns vs. ~20 ns for HC14 at 5 V) may require timing verification in high-frequency clock paths.

What is the thermal performance difference between TSSOP14 and DHXQFN14 packages?

The TSSOP14 (SOT402-1) has 500 mW total power dissipation at ≤81 °C, derating linearly above that; the DHXQFN14 (SOT8014-1) is rated for 250 mW up to 121 °C. Though smaller, the QFN offers better thermal resistance for compact layouts, while TSSOP provides easier optical inspection and rework compatibility.